National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mayport Naval Station - Adm David L. McDonald Field (KNRB)

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Thunderstorm

87°F

31°C

Humidity 70%
Wind Speed NE 12 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 2 Aug 3:52 pm EDT
Extended Forecast for

Jacksonville Beach FL

Flood Watch until August 3, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 3, 02:00am

    NOW until 2:00am Sun

    Flood Watch

  • This Afternoon

    High: 87 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 11pm. Some of the storms could produce heavy rainfall. Low around 79. Northeast wind 6 to 9 mph becoming southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 79 °F

    Heavy Rain
    then Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms, mainly after 2pm. High near 83. Light and variable wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 83 °F

    Slight Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers and thunderstorms after 2am. Low around 78. Northeast wind around 8 mph becoming south after midnight. Chance of precipitation is 80%.

    Low: 78 °F

    T-storms then
    Showers
    Likely

  • Monday

    Monday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 84. West wind 6 to 11 mph becoming east in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 70%.

    High: 84 °F

    Chance
    Showers then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then a chance of showers. Partly cloudy, with a low around 80. Chance of precipitation is 60%.

    Low: 80 °F

    T-storms
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and thunderstorms after 11am. High near 84. Chance of precipitation is 80%.

    High: 84 °F

    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms, mainly before 8pm. Low around 80. Chance of precipitation is 80%.

    Low: 80 °F

    T-storms then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 87. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before 11pm. Some of the storms could produce heavy rainfall. Low around 79. Northeast wind 6 to 9 mph becoming southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and thunderstorms, mainly after 2pm. High near 83. Light and variable wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers and thunderstorms after 2am. Low around 78. Northeast wind around 8 mph becoming south after midnight. Chance of precipitation is 80%.
Monday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 84. West wind 6 to 11 mph becoming east in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Partly cloudy, with a low around 80. Chance of precipitation is 60%.
Tuesday
A chance of showers, then showers and thunderstorms after 11am. High near 84. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms, mainly before 8pm. Low around 80. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Partly cloudy, with a low around 79. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 83. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 79. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 83. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Beach FL
 30.3°N 81.39°W
Last Update:
1:26 pm EDT Aug 2, 2025
Forecast Valid:
4pm EDT Aug 2, 2025-6pm EDT Aug 8, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation